<template>
	<view>
		<view class="goods-list">
			<view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
				<my-goods :goods="goods"></my-goods>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				//请求参数对象
				queryObj:{
					query:'',
					cid:'',
					pagenum:1,
					pagesize:10
				},
				goodsList:[],
				total:0,
				//节流阀
				isloading:false
			};
		},
		onLoad(options){
			
			this.queryObj.query = options.query || ''
			this.queryObj.cid = options.cid || ''
			console.log(this.queryObj)
			
			this.getGoodsList()
		},
		methods:{
			//获取商品列表数据的方法
			async getGoodsList(cb){
				//打开节流阀 
				this.isloading = true
				console.log('发送请求参数:', this.queryObj);
				const res = await uni.$http.get('/api/goodslist',this.queryObj)
				//关闭节流阀
				this.isloading = false
				//数据请求完毕，就立即调用cb回调函数 
				cb && cb()
				if(res.statusCode !== 200)return uni.$showMsg()
				console.log('完整响应:', res);
				this.goodsList = [...this.goodsList,...res.data.data.list]
				this.total = res.data.total
			},
			gotoDetail(goods){
				uni.navigateTo({
					url:`/subpkg/goods-detail/goods-detail?goods_id=${goods.goods_id || ''}`
				})
			}
		},
		onReachBottom(){
			if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('已经触底啦！')
			
			if(this.isloading) return
			//让页码值自增+1
			this.queryObj.pagenum++
			this.getGoodsList()
		},
		onPulldownRefresh(){
			//重置关键数据
			this.queryObj.pagenum = 1
			this.total = 0
			this.isloading = false
			this.goodsList = []
			
			//重新发起数据请求 
			this.getGoodsList(()=>uni.stopPullDownRefresh())
		},
	}
</script>

<style lang="scss">
</style>
